One vertex per element, one color per generator, with an edge from x to x·s.
(9,10,13,15)(11,14,16,12)(17,18,24,22)(19,23,27,25)(20,26,21,31)(28,30,29,32)(1,2)(3,5)(4,6)(7,8)(9,11,13,16)(10,14,15,12)(17,19,24,27)(18,25,22,23)(20,28,21,29)(26,32,31,30)(2,3)(6,7)(10,15)(11,16)(17,20,24,21)(18,26,22,31)(19,28,27,29)(23,30,25,32)(4,8)(6,7)(9,12,13,14)(10,11,15,16)(17,21,24,20)(18,26,22,31)(19,29,27,28)(23,30,25,32)(1,3,5,2)(4,7,8,6)(9,10)(11,12)(13,15)(14,16)(17,22,24,18)(19,25,27,23)(20,26,21,31)(28,30,29,32)(1,4)(2,6)(3,7)(5,8)(9,12)(10,11)(13,14)(15,16)(17,23,24,25)(18,27,22,19)(20,30,21,32)(26,29,31,28)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.